The surface area of a cube is 6 * sidelength^2
54 = 6 * sidelength^2
9 = sidelength^2
3 = sidelength
Answer:
The answers are 40 : 1 and 16 : 5
Step-by-step explanation:
3. ) 400 : 10
Cancel out two of the zeros to get-
40 : 1
6. ) 1600m : 5km
1 km = 100 m, Therefore-
1600 : 500
Cancel out the zeros to get-
16 : 5
